3_is hard-working, concentrated, and the effort shows through progress in class.
3_dedicates a great deal of effort to class and to the work presented, going the extra mile to learn more.
3_is concentrated and works hard on classwork presented and when learning new topics.

2_is dedicated in class when learning new stuff and does the work in time. 
2_puts effort into learning new stuff and doing classwork assignments.
2_is dedicated and learns new stuff in class with ease.
2_dedicates good ammount of effort to class when learning.

1_puts acceptable effort when learning new material and doing the class assignments.
1_does class assignments with moderate effort and learns new material accordingly, with room for improvement.
1_does assignments and learns new materials with commendable effort that could improve with more effort.
